#include "stdio_impl.h"
#include <limits.h>
#include <string.h>

char *gets(char *s)
{
    size_t i=0;
    int c;
    FLOCK(stdin);
    while ((c=getc_unlocked(stdin)) != EOF && c != '\n') s[i++] = c;
    s[i] = 0;
    if (c != '\n' && (!feof(stdin) || !i)) s = 0;
    FUNLOCK(stdin);
    return s;
}
